FrequencyPulse Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare TENS EMS Unit Muscle Stimulator for Pain Relief Therapy – 4 in 1 TENS EMS Relax Custom Frequency+Pulse – Muscle Massager 36 Modes 20 Intensity, Memory & Favorites Function, 3.8″ Color Display – Gray Added to wishlistRemoved from wishlist 0 Add to compare $59.99